Search a number
-
+
30310330997 is a prime number
BaseRepresentation
bin11100001110101000…
…101111001001110101
32220020101020100110202
4130032220233021311
5444033421042442
621531355330245
72122055363642
oct341650571165
986211210422
1030310330997
1111944434331
125a5aa50985
132b2076c2cb
14167774adc9
15bc5ec8c32
hex70ea2f275

30310330997 has 2 divisors, whose sum is σ = 30310330998. Its totient is φ = 30310330996.

The previous prime is 30310330991. The next prime is 30310331021. The reversal of 30310330997 is 79903301303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30076577476 + 233753521 = 173426^2 + 15289^2 .

It is a cyclic number.

It is not a de Polignac number, because 30310330997 - 214 = 30310314613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30310330997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30310330991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155165498 + 15155165499.

It is an arithmetic number, because the mean of its divisors is an integer number (15155165499).

Almost surely, 230310330997 is an apocalyptic number.

It is an amenable number.

30310330997 is a deficient number, since it is larger than the sum of its proper divisors (1).

30310330997 is an equidigital number, since it uses as much as digits as its factorization.

30310330997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 38.

The spelling of 30310330997 in words is "thirty billion, three hundred ten million, three hundred thirty thousand, nine hundred ninety-seven".